EDPT Boolean Logic and Binary Operations 5

Question 1

What is the hexadecimal equivalent of binary 10110111?

Accepted Answer

B7

Answer

Split into nibbles: 1011=B and 0111=7, giving B7 in hex.

Question 2

Which Boolean law states that A AND (B OR C) = (A AND B) OR (A AND C)?

Accepted Answer

Distributive law

Answer

The distributive law allows AND to distribute over OR and vice versa.

Question 3

What is the result of shifting the binary number 0110 one position to the left?

Accepted Answer

1100

Answer

A left shift by 1 moves all bits left and fills the rightmost bit with 0, giving 1100.

Question 4

If A=0 and B=1, what does the expression (A NOR B) evaluate to?

Accepted Answer

0

Answer

A OR B = 0 OR 1 = 1, and NOR inverts it to 0.

Question 5

What is the minimum number of NAND gates needed to implement a NOT gate?

Accepted Answer

1

Answer

A NAND gate with both inputs tied together acts as a NOT gate.

EDPT - Electronic Data Processing Test Practice Test